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Vulnerability record · CVE-2005-1267 · published 10 June 2005

CVE-2005-1267: Lbl tcpdump vulnerability

Lbl · Tcpdump

The bgp_update_print function in tcpdump 3.x does not properly handle a -1 return value from the decode_prefix4 function, which allows remote attackers to cause a denial of service (infinite loop) via a crafted BGP packet.

5.0 CVSS 2.0 Medium EPSS 14% · top 3.7%
5.0CVSS 2.0 base score
14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
20References
16 Jun 2026Last modified by NVD

Description

The bgp_update_print function in tcpdump 3.x does not properly handle a -1 return value from the decode_prefix4 function, which allows remote attackers to cause a denial of service (infinite loop) via a crafted BGP packet.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

5 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/15634/ PatchVendor Advisory
http://secunia.com/advisories/17118
http://www.debian.org/security/2005/dsa-854
http://www.redhat.com/archives/fedora-announce-list/2005-June/msg00007.html PatchVendor Advisory
http://www.redhat.com/support/errata/RHSA-2005-505.html
http://www.securityfocus.com/archive/1/430292/100/0/threaded
http://www.securityfocus.com/bid/13906
http://www.trustix.org/errata/2005/0028/ PatchVendor Advisory
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=159208 PatchVendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11148
http://secunia.com/advisories/15634/ PatchVendor Advisory
http://secunia.com/advisories/17118
http://www.debian.org/security/2005/dsa-854
http://www.redhat.com/archives/fedora-announce-list/2005-June/msg00007.html PatchVendor Advisory
http://www.redhat.com/support/errata/RHSA-2005-505.html
http://www.securityfocus.com/archive/1/430292/100/0/threaded
http://www.securityfocus.com/bid/13906
http://www.trustix.org/errata/2005/0028/ PatchVendor Advisory
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=159208 PatchVendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11148

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Source: NIST National Vulnerability Database (record CVE-2005-1267), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.